Home / 18,590.32-25,653.05-10,630.99

Finding the Fourth Proportional to 18,590.32, 25,653.05 and 10,630.99

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Solution

The fourth proportional to 18,590.32, 25,653.05 and 10,630.99 is: 14,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.32 : 25,653.05 = 10,630.99 : x
  2. Step 2: Convert to fraction form
    18,590.32/25,653.05 = 10,630.99/x
  3. Step 3: Cross multiply
    18,590.32x = 25,653.05 × 10,630.99
  4. Step 4: Simplify right side
    18,590.32x = 272,717,189.75
  5. Step 5: Solve for x
    x = 272,717,189.75/18,590.32
  6. Step 6: Final answer
    x = 14,669.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.